fixes issue 1183
fixes issue 1183

Put a cap on the string scan performed for -strings_vs_pointers to avoid a
huge performance hit when large strings are present.

SVN-Revision: 1268

LohithBlaze/drmemory,sigma-random/drmemory,sigma-random/drmemory,LohithBlaze/drmemory,code4bones/drmemory,sigma-random/drmemory,LohithBlaze/drmemory,LohithBlaze/drmemory,code4bones/drmemory,LohithBlaze/drmemory,sigma-random/drmemory,code4bones/drmemory,code4bones/drmemory,code4bones/drmemory,sigma-random/drmemory